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经营范围
发明名称
Improvements in or relating to plastic compositions based on polyvinyl acetals
摘要
申请公布号
GB594830(A)
申请公布日期
1947.11.20
申请号
GB19450008204
申请日期
1945.04.03
申请人
SOCIETE DES USINES CHIMIQUES RHONE-POULENC
发明人
分类号
C08K5/521
主分类号
C08K5/521
代理机构
代理人
主权项
地址
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