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发明名称
PROCESS FOR MAKING LIGHTWEIGHT AGGREGATE
摘要
申请公布号
CA793216(A)
申请公布日期
1968.08.27
申请号
CAD793216
申请日期
申请人
HAROLD T. STIRLING
发明人
HAROLD T. STIRLING
分类号
主分类号
代理机构
代理人
主权项
地址
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