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公开(公告)号:US1219184A
公开(公告)日:1917-03-13
申请号:US1914814325
申请日:1914-01-26
Applicant: STONE STANLEY M
Inventor: STONE STANLEY M
CPC classification number: F04B47/04
公开(公告)号:US1219184A
公开(公告)日:1917-03-13
申请号:US1914814325
申请日:1914-01-26
Applicant: STONE STANLEY M
Inventor: STONE STANLEY M
CPC classification number: F04B47/04