Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456 PL137698B2 - Method of manufacture of trisazo dyes
- Google Patents
PL137698B2 - Method of manufacture of trisazo dyes
- Google Patents
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Priority to PL24987584ApriorityCriticalpatent/PL137698B2/en
Publication of PL249875A2publicationCriticalpatent/PL249875A2/en
Publication of PL137698B2publicationCriticalpatent/PL137698B2/en