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发明名称
DOOR CHECK MECHANISM
摘要
申请公布号
CA492513(A)
申请公布日期
1953.04.28
申请号
CAD492513
申请日期
申请人
GEORGE W. HOULSBY, JR.
发明人
MARTIN CARLSON
分类号
主分类号
代理机构
代理人
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地址
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