PL278545A1
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1989-10-02
Method of obtaining novel derivatives of cyclobutylpurine and cyclobutylpyrimidine
EP0423513A3
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1991-10-30
Laserwafer and method of producing same
RU1769757C
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1992-10-15
Method of 1
GB2237299B
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1993-11-03
Trim and method of use
CS9100656A2
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1991-11-12
Method of 1,1,1-trifluorochlorethane and 1,1,1,2-tetrafluorethane preparation
CS340090A2
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1991-11-12
Fastening and fastening method
DE3760392D1
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1989-09-07
Function alloy and method of producing the same
IL94141A0
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1991-01-31
Laser-warning method and laser-warning arrangement
HU896405D0
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1991-07-29
Method and arrangement
PL289403A1
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1991-12-02
Method of obtaining 1,1,1-trifluorochloroethane and 1,1,1,2-tetrafluoroethane
PL275647A2
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1989-07-10
Method of obtaining androstrendione,5 alpha -androstan-3,17-dione and tetrosterone
PL276098A1
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1990-06-11
Method of obtaining 2,3-dibromide-2-butene-1,4-diole
GB2263992B
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1995-07-12
Noncorruptible read-writer and method
CS811588A1
(en )
1990-03-14
2,2,6,6-tetramethyl-4-piperidyliden-acetone and method of its preparation
CS415188A1
(en )
1989-04-14
3-substituted 4-imino-1,2,3,4-tetrahydroquinazoline-2-thiones and method of their preparation
CS719788A1
(en )
1990-09-12
Substituted 1,1,3-trichloro-3-phenylpropanes and method of their preparation
PL285488A1
(en )
1991-12-16
Method of obtaining 16ΓΏ-methylhydrocortisone and its 17 and 17, 21-diacyl derivatives
RO102647B1
(en )
1992-07-13
Hydroxyalkyl-homopiperazidine derivatives and obtaining method
PL272803A1
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1989-12-11
Method of obtaining 2-n-butyl-3/3,5-diiodo-4-diethylaminoethoxybenzoilo/-benzofurane
RO103936B1
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1992-05-08
Aminoacetyl-oxohexyl derivative of 1,3-dimethyl-xanthin and preparation method
CS811688A1
(en )
1990-03-14
(2,2,6,6-tetramethyl-4-piperidyl)-2-propanon and method of its preparation
CS856488A1
(en )
1989-11-14
3-allyl-6-nitro-2-benzothiazolinone and method of its preparation
CS120788A1
(en )
1989-06-13
2-bromomethylphenylisocyanate and method of its preparation
PL270060A1
(en )
1989-07-10
Method of obtaining 6 /-methyl-4nitro-5-imidazolil/-thiopurine
BG45918A1
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1989-09-15
Esteramids of 2- phenyl- 1h- inden- 1, 3 (2h)- dioni and method for their preparation