Improvements in an improved process for activating clays and other natural and suitable artificial absorptive raw materials for the purpose of obtaining bleaching materials, more particularly bleaching earths
摘要
申请公布号
GB412805(A)
申请公布日期
1934.07.05
申请号
GB19330025516
申请日期
1933.09.14
申请人
POSSEHL'S APPARATEBAU UND EXPORT-GESELLSCHAFT MIT BESCHRANKTER HAFTUNG;KURT ENDELL
