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发明名称
Air actuated chance device
摘要
申请公布号
US2588038(A)
申请公布日期
1952.03.04
申请号
US19500149372
申请日期
1950.03.13
申请人
PAGENHARDT LEONARD C
发明人
PAGENHARDT LEONARD C.
分类号
G07C15/00
主分类号
G07C15/00
代理机构
代理人
主权项
地址
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