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公开(公告)号:US730925A
公开(公告)日:1903-06-16
申请号:US1902108088
申请日:1902-05-19
Applicant: KLEIN JOHN S , KLEIN EMILY E
Inventor: KLEIN JOHN S , KLEIN EMILY E
CPC classification number: F16J15/182 , Y10S277/93
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公开(公告)号:US730924A
公开(公告)日:1903-06-16
申请号:US1902108087
申请日:1902-05-19
Applicant: KLEIN JOHN S , KLEIN EMILY E
Inventor: KLEIN JOHN S , KLEIN EMILY E
CPC classification number: F02B75/002
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