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公开(公告)号：US1558046A
公开(公告)日：1925-10-20
申请号：US66392523
申请日：1923-09-20
Applicant: STOCKHOLMS SUPERFOSFAT FAB AB
Inventor： ALLAN RAMSAY HENRIK GUSTAV
IPC: C01B21/20
CPC classification number: C01B21/20
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