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1983-11-09
Filter and method of making same
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1989-04-06
Gas-selectively permeable membrane and method of forming said membrane
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1987-12-16
Optical filter and the method of preparing the same
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1991-02-13
Method of producing porous material having open pores
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1988-01-20
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EP0183183A3
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1987-05-06
Method of producing effective porous glass shapes
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1982-06-30
Filters and method of producing such filters
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1984-08-22
Preparation controlling t-system of immunity and method for producing same
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1985-05-29
Semipermeable membranes and method of making the same
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1989-09-07
Gas-selectively permeable membrane and method of forming said membrane
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1985-08-02
Lenses and method of making them
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1981-09-24
Conductive porous member and method of manufacturing same
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1991-10-23
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1983-05-09
Method of manufacture of glasses of controlled porosity and narrow entrances into pores
JPS56126902A
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1981-10-05
Ceramic varistor and method of producing same
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1983-11-02
Fabric and method of manufacture
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1992-01-15
Method of producing porous material having open pores
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1990-09-15
Method of producing 7-substituted amino-9a-methoxymitosane
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1984-11-08
Method of modification of surface of glasses of controlled porosity
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1986-03-19
Wormwheel and method of producing same
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1982-07-05
Bulb and method of producing same
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1982-06-29
Ceramic condenser and method of producing same
PL131823B2
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1985-01-31
Method of manufacture of sintered corundum
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1984-07-30
Method of manufacture of sintered corundum
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1990-04-11
Method of fabricating porous glass rod and apparatus for fabricating the same