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发明名称
SEAL
摘要
申请公布号
ZA9107461(B)
申请公布日期
1992.05.27
申请号
ZA19910007461
申请日期
1991.09.19
申请人
ERIC JOHNSTONE COOK
发明人
ERIC JOHNSTONE COOK
分类号
F16J
主分类号
F16J
代理机构
代理人
主权项
地址
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