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经营范围
发明名称
Bellows
摘要
申请公布号
US2749942(A)
申请公布日期
1956.06.12
申请号
US19520327988
申请日期
1952.12.26
申请人
YOWELL JOSEPH W;MINER DONALD B
发明人
YOWELL JOSEPH W.;MINER DONALD B.
分类号
F15B15/10;F16J3/04
主分类号
F15B15/10
代理机构
代理人
主权项
地址
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