Guo ji zhuan li fen lei biao B zuo ye
By: bian ji zhe Zhongguo ke xue ji shu qing bao yan jiu suo
Edition: Di 1 ban
Publisher: Ke xue ji shu wen xian chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1982
Place of publication: Beijing
Language: chi
Number of pages: 847
Subjects: Patents; Classification
Other titles: IPC guo ji zhuan li fen lei biao, section B zuo ye.
Notes: Colophon title.

Cover title: IPC guo ji zhuan li fen lei biao, section B zuo ye.