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发明名称
Dust guard plug locking means
摘要
申请公布号
US2195602(A)
申请公布日期
1940.04.02
申请号
US19370177041
申请日期
1937.11.29
申请人
CENTRAL RAILWAY SUPPLY COMPANY
发明人
SALE WILLIAM H.
分类号
B61F15/22
主分类号
B61F15/22
代理机构
代理人
主权项
地址
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