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发明名称
Spring packing
摘要
申请公布号
US2499333(A)
申请公布日期
1950.02.28
申请号
US19480026689
申请日期
1948.05.12
申请人
NATIONAL WASTE COMPANY INCORPORATED
发明人
SCHULEIN GEORGE
分类号
F16J15/22
主分类号
F16J15/22
代理机构
代理人
主权项
地址
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