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发明名称
Means for snubbing springs
摘要
申请公布号
US2375919(A)
申请公布日期
1945.05.15
申请号
US19430485427
申请日期
1943.05.03
申请人
W. H. MINER, INC.
发明人
HASELTINE STACY B.
分类号
B61F5/12
主分类号
B61F5/12
代理机构
代理人
主权项
地址
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