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经营范围
发明名称
Laterally movable door
摘要
申请公布号
US2658243(A)
申请公布日期
1953.11.10
申请号
US19500165512
申请日期
1950.06.01
申请人
YOUNGSTOWN STEEL DOOR COMPANY
发明人
BEAUCHAMP WILFRED A.
分类号
B61D19/00
主分类号
B61D19/00
代理机构
代理人
主权项
地址
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