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发明名称
Suction actuated signaling mechanism
摘要
申请公布号
US2080470(A)
申请公布日期
1937.05.18
申请号
US19350004905
申请日期
1935.02.04
申请人
E.A. LABORATORIES, INC.
发明人
GILLET ALEXIS F.
分类号
G10K9/02
主分类号
G10K9/02
代理机构
代理人
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地址
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