Patent search ap:("CONOCO INC") AND inv:"MANFURETSUDO KATSUTSU" Page 1

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发明专利
MANUFACTURE OF PITCH PRODUCT 失效

公开(公告)号：JPH02265994A

公开(公告)日：1990-10-30

申请号：JP26794989

申请日：1989-10-13

Applicant: CONOCO INC

Inventor： TAAUEI FU , MANFURETSUDO KATSUTSU

IPC: C10C3/02 , C10C3/04 , C10C3/10 , D01F9/145

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