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经营范围
发明名称
POLYSULFONE SEPARATING MEMBRANE
摘要
申请公布号
JPS56105704(A)
申请公布日期
1981.08.22
申请号
JP19800008277
申请日期
1980.01.29
申请人
SUMITOMO BAKELITE CO
发明人
UCHIDA YASUO;IZUMI YASUNOBU
分类号
B01D71/68
主分类号
B01D71/68
代理机构
代理人
主权项
地址
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