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经营范围
发明名称
POROUS MEMBRANE OF POLYSULFONE
摘要
申请公布号
JPH01184001(A)
申请公布日期
1989.07.21
申请号
JP19880008441
申请日期
1988.01.20
申请人
TEIJIN LTD
发明人
YAMADA KENKO;IWATA KAZUMI
分类号
B01D53/22;B01D71/68;C08J9/28;D01D5/24;D01F6/76
主分类号
B01D53/22
代理机构
代理人
主权项
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