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发明名称
Track bracket
摘要
申请公布号
US2060720(A)
申请公布日期
1936.11.10
申请号
US19330695557
申请日期
1933.10.28
申请人
THE YOUNGSTOWN STEEL DOOR COMPANY
发明人
BEAUCHAMP WILFRED A.
分类号
B61D19/00;E05D15/06
主分类号
B61D19/00
代理机构
代理人
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地址
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