KR20070108987A
|
|
Dry etching gas for semi condutor process and method for production thereof
|
US2007082813A1
|
|
Catalyst for preparation of pentafluoroethane and preparation method thereof
|
KR100680766B1
|
|
Manufacturing method of catalyst for pentafluoroethane
|
KR20070000132A
|
|
Filling method of liquified gas
|
KR20060130283A
|
|
Filling method of liquified-gas using diaphragm pump
|
KR20060130281A
|
|
Storage method of nitrogen trifluoride
|
KR20060085407A
|
|
Manufacturing method and apparatus of 4-fluoro ethylenecarbonate
|
KR20040044599A
|
|
manufacturing method for difluoromethane
|
KR20040044600A
|
|
Reactor for Hydrofluorocarbon Compound manufacturing
|
KR20030005526A
|
|
Manufacturing method of high purity perfluoroprpane
|
US6162955A
|
|
Manufacturing method for perfluoroethane
|
KR20010082911A
|
|
Manufacturing method for perfluoroethane
|
KR20000059438A
|
|
The method of purifying hydrogen chloride
|
KR20000051923A
|
|
A Manufacturing Method for Lithium Tetrafluoroborate
|
KR20000046590A
|
|
Production process of lithium hexafluoro phosphate
|
KR20000027318A
|
|
Method for the preparation of 1,1,1-trifluoroethane
|
KR19990053764A
|
|
Composition of refrigerant mixtures for refrigerator/ air conditioner
|
US5495057A
|
|
Method for the preparation of difluoromethane
|