PL72533B2 - - Google Patents

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Publication number
PL72533B2
PL72533B2 PL147990A PL14799071A PL72533B2 PL 72533 B2 PL72533 B2 PL 72533B2 PL 147990 A PL147990 A PL 147990A PL 14799071 A PL14799071 A PL 14799071A PL 72533 B2 PL72533 B2 PL 72533B2
Authority
PL
Poland
Prior art keywords
good
good good
black
polymerization
nigrosine
Prior art date
Application number
PL147990A
Other languages
English (en)
Polish (pl)
Other versions
PL72533B1 (2
Inventor
Koyanagi Schunichi
Tajima Shigenobu
KazuhikoKusimoto
Kiri Yoshitaka
Original Assignee
Shinetsu Chemical Company
Filing date
Publication date
Priority claimed from JP45038893A external-priority patent/JPS4829871B1/ja
Application filed by Shinetsu Chemical Company filed Critical Shinetsu Chemical Company
Publication of PL72533B1 publication Critical patent/PL72533B1/xx
Publication of PL72533B2 publication Critical patent/PL72533B2/pl

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PL147990A 1971-05-05 PL72533B2 (2)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45038893A JPS4829871B1 (2) 1970-05-07 1970-05-07

Publications (2)

Publication Number Publication Date
PL72533B1 PL72533B1 (2) 1974-08-30
PL72533B2 true PL72533B2 (2) 1974-08-31

Family

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