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发明名称
Fire-clay sewer-pipe body
摘要
申请公布号
US2019619(A)
申请公布日期
1935.11.05
申请号
US19340734994
申请日期
1934.07.13
申请人
NATIONAL ALUMINATE CORPORATION
发明人
CARTER WILLARD K.;JR. GEORGE H. DUNCOMBE,
分类号
C04B33/13
主分类号
C04B33/13
代理机构
代理人
主权项
地址
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