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发明名称
Improvements in or relating to a closing tool for wagon doors
摘要
申请公布号
GB701024(A)
申请公布日期
1953.12.16
申请号
GB19520019061
申请日期
1952.07.28
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
STEVENSON HERBERT
分类号
B61D7/16
主分类号
B61D7/16
代理机构
代理人
主权项
地址
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