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公开(公告)号:US851156A
公开(公告)日:1907-04-23
申请号:US1906323577
申请日:1906-06-27
Applicant: BROICH JOSEPH
Inventor: BROICH JOSEPH
CPC classification number: G01R1/10
公开(公告)号:US851156A
公开(公告)日:1907-04-23
申请号:US1906323577
申请日:1906-06-27
Applicant: BROICH JOSEPH
Inventor: BROICH JOSEPH
CPC classification number: G01R1/10