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经营范围
发明名称
Threadless coupling
摘要
申请公布号
US1784393(A)
申请公布日期
1930.12.09
申请号
US19290338991
申请日期
1929.02.11
申请人
MORRIS SCHAWROW
发明人
SCHAWROW MORRIS
分类号
F16L37/16
主分类号
F16L37/16
代理机构
代理人
主权项
地址
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