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公开(公告)号:US1911853A
公开(公告)日:1933-05-30
申请号:US24292527
申请日:1927-12-27
Applicant: STANDARD OIL CO CALIFORNIA
Inventor: SILCOX DONALD E
IPC: G01F1/00
CPC classification number: G01F1/00
公开(公告)号:US1911853A
公开(公告)日:1933-05-30
申请号:US24292527
申请日:1927-12-27
Applicant: STANDARD OIL CO CALIFORNIA
Inventor: SILCOX DONALD E
IPC: G01F1/00
CPC classification number: G01F1/00