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经营范围
发明名称
SMOKE SEAL
摘要
申请公布号
GB9107945(D0)
申请公布日期
1991.05.29
申请号
GB19910007945
申请日期
1991.04.15
申请人
LORIENT POLYPRODUCTS LTD
发明人
分类号
E06B5/16
主分类号
E06B5/16
代理机构
代理人
主权项
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