The defendant's appeal is dismissed.

Of the appeal costs, the part between the plaintiff and the defendant is the defendant's participation.

1. The defendant's grounds for appeal citing the judgment of the court of first instance are not significantly different from the argument in the court of first instance, and the evidence submitted in the court of first instance is deemed legitimate even if the evidence submitted in the court of first instance was presented to this court.

Therefore, this court's explanation on the instant case was separated and finalized by the plaintiff's failure to appeal the part on the claim against the Codefendant C Codefendants in the first instance court except for the part on Codefendants in the first instance court's decision (No. 26. 2- 29. 14.).

In addition to the following cases, the reasoning of the judgment of the court of first instance is the same as that of the judgment of the court of first instance. As such, this is cited in accordance with the main sentence of Article 420 of

[Supplementary part] The reasoning of the judgment of the first instance court is that the “Defendant C Association” or “Defendant Association” shall be deemed to be the “Codefendant C Association of the first instance trial,” and the “this court” shall be deemed to be the “Court of the first instance.”

The court of first instance should be deemed to have caused a mistake in the maintenance and management of the plaintiff's side, such as not circulating the water of the 13th through 10th of the judgment of the court of first instance periodically.Although it is either due to the plaintiff's fault in the maintenance and management of the plaintiff's side, such as not circulating the water of the "B" pipelines periodically, or even if it is not so, it should be deemed that the defendant's fault in construction, such as the failure to emit air, in addition to the defendant's design, concurrently occurred

From 14th to 15th to 10th (4.c. 2) of the judgment of the first instance court (4. c. 2) are as follows.

In Korea, most of the pipes of buildings are constructed with a strong pipe, and in the case of a lecture hall, there is a partial defect, but there is no same defect as that of the building constructed in the apartment house of this case.

The appraisal results of this case also include materials with excellent corrosion and corrosion-resistantness in order to prevent the recurrence of defects.