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经营范围
发明名称
Improvements in heat and/or sound insulating elements made of threads of vitreous material
摘要
申请公布号
GB592895(A)
申请公布日期
1947.10.02
申请号
GB19450003610
申请日期
1945.02.13
申请人
COMPAGNIES REUNIES DES GLACES ET VERRES SPECIAUX DU NORD DE LA FRANCE
发明人
分类号
C04B30/02
主分类号
C04B30/02
代理机构
代理人
主权项
地址
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PATCH
