<p>The object of the invention is a portable vacuum case, comprising a mobile vacuum chamber and a first valve as a closure assembly, characterised in that in the enclosure of the vacuum chamber (1), a sight-glass (2) or/and sight-glasses (3) are located.</p>
申请公布号
PL220339(B1)
申请公布日期
2015.10.30
申请号
PL20120399921
申请日期
2012.07.12
申请人
INSTYTUT CHEMII FIZYCZNEJ POLSKIEJ AKADEMII NAUK;PREVAC SPÓ&Lstrok,KA Z OGRANICZON&Aogon, OPDOWIEDZIALNO&Sacute,CI&Aogon,
发明人
SOBCZAK JANUSZ;JAB&Lstrok,O&Nacute,SKI ALEKSANDER;KUTNER W&Lstrok,ODZIMIERZ;NOWORYTA KRZYSZTOF;GLENZ ANDREAS
