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发明名称
Manufacture of permeable barriers
摘要
申请公布号
US2714578(A)
申请公布日期
1955.08.02
申请号
US19510249334
申请日期
1951.10.02
申请人
TEXACO DEVELOPMENT CORPORATION
发明人
TEICHMANN CHARLES F.
分类号
B01D39/00
主分类号
B01D39/00
代理机构
代理人
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地址
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