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1.Fitting for drainage of lubricants from lubricant-containing cases 失效
Title translation: 适用于含润滑剂的润滑剂的排水公开(公告)号:US1687823A
公开(公告)日:1928-10-16
申请号:US517825
申请日:1925-01-27
Applicant: STANDARD OIL CO CALIFORNIA
Inventor: BESSONETT LELAND S
IPC: F01M11/04
CPC classification number: F01M11/0408