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发明名称
Method of constructing asphalt macadam surface courses
摘要
申请公布号
US1915814(A)
申请公布日期
1933.06.27
申请号
US19300458894
申请日期
1930.05.31
申请人
WILLIAM C. MCDUFFIE, RECEIVER FOR RICHFIELD OIL COMPANY OF CALIFORNIA
发明人
MASON LANDON R.;GRIFFITH FRED E.
分类号
E01C7/18
主分类号
E01C7/18
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