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发明名称
Method of making clay pipe
摘要
申请公布号
US3239591(A)
申请公布日期
1966.03.08
申请号
US19650453719
申请日期
1965.05.06
申请人
PACIFIC CLAY PRODUCTS
发明人
WENDT PAUL H.
分类号
B28B21/18
主分类号
B28B21/18
代理机构
代理人
主权项
地址
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