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4,4'-
hexafluoroisopropylidine
diphthalic anhydride
polym.
4,4'一六氟亚异丙基二邻苯二甲酸酐
(6FDA)
;
六氟二酐
俗
(6FDA)
4,4'-
hexafluoroisopropylidine
-diphthalic anhydride
polym.
4'一六氟亚异丙基二邻苯二甲酸酐
;
六氟二酐
俗
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