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发明名称
Car-door lock for railway box cars
摘要
申请公布号
US1776559(A)
申请公布日期
1930.09.23
申请号
US19290392402
申请日期
1929.09.13
申请人
HOBBS WILLIAM R
发明人
HOBBS WILLIAM R.
分类号
B61D19/00
主分类号
B61D19/00
代理机构
代理人
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地址
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