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经营范围
发明名称
Closet elbow connection
摘要
申请公布号
US2021317(A)
申请公布日期
1935.11.19
申请号
US19340727028
申请日期
1934.05.23
申请人
MCFARLAND OWEN K;YEAGER CHARLES A
发明人
MCFARLAND OWEN K.;YEAGER CHARLES A.
分类号
E03D11/17
主分类号
E03D11/17
代理机构
代理人
主权项
地址
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