Grottoes 6.1.7

洞穴

Chinese 洞穴

English Grottoes

Spanish Grutas

Code: 6.1.7
Category: 6.1 Mountains, rocks, grottoes
Version: Vienna Classification, 10th edition (VCL 10, in force from 1 Jan 2026); English from the WIPO official text, Chinese is a J&C reference translation

Auxiliary section

第 6.1 章辅助章节（与主要章节 6.1.2、6.1.3 相关）Auxiliary Section of Division 6.1 (associated with Principal Sections 6.1.2, 6.1.3)