SU201719A1 - - Google Patents

Info

Publication number
SU201719A1
SU201719A1 SU464141A SU464141A SU201719A1 SU 201719 A1 SU201719 A1 SU 201719A1 SU 464141 A SU464141 A SU 464141A SU 464141 A SU464141 A SU 464141A SU 201719 A1 SU201719 A1 SU 201719A1
Authority
SU
USSR - Soviet Union
Prior art keywords
film
films
polyvinyl
filters
acetate
Prior art date
Application number
SU464141A
Other languages
English (en)
Russian (ru)
Publication of SU201719A1 publication Critical patent/SU201719A1/ru

Links

SU464141A SU201719A1 (fr)

Publications (1)

Publication Number Publication Date
SU201719A1 true SU201719A1 (fr)

Family

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