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发明名称
LIGHT WEIGHT AGGREGATE AND METHOD OF PRODUCING THE SAME
摘要
申请公布号
CA482414(A)
申请公布日期
1952.04.08
申请号
CAD482414
申请日期
申请人
MATERIALS ENGINEERING CORPORATION;WESTERN MINERAL PRODUCTS COMPANY
发明人
VILAS EUGENE WATTS
分类号
主分类号
代理机构
代理人
主权项
地址
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