| 申请人 |
INST KHIMII DREVESINY AN LATVSSR |
发明人 |
KULKEVITS ARVID YA,SU;PUGULIS YANIS A,SU;REJZINYA ASTRA L,SU;VEDERNIKOV NIKOLAJ A,SU;ZAVYALOV VALERIJ A,SU;ZARINSH YANIS YA,SU;POLMANIS ANDRIS G,SU;BALAMS VISVALDIS G,SU;DALBINSH YANIS YA,SU;RIBINSH VALDIS A,SU |
