JPS5354178A
(en )
1978-05-17
Liquid filters and manufacture of same
AU508289B2
(en )
1980-03-13
Filter element and its making
IL51209A0
(en )
1977-03-31
Blood filter and its manufacture
CS222257B2
(en )
1983-06-24
Antimicrobial means and method of making the active component
AU2356177A
(en )
1978-09-28
Filter element and its making
PT66117B
(en )
1978-06-28
Management of incontinence
GB1557432A
(en )
1979-12-12
Frequency monitor
JPS52129871A
(en )
1977-10-31
Joint of plate and its usage
JPS5342534A
(en )
1978-04-18
Transversal filter and method of operating the same
AU507419B2
(en )
1980-02-14
Frequency compensated differentail amplifier
GB2049332B
(en )
1983-03-30
Active filter
JPS5316849A
(en )
1978-02-16
Active filter
GB2049333B
(en )
1983-06-15
Active filter
JPS5313334A
(en )
1978-02-06
Audible frequency amplifier
CS185712B1
(en )
1978-10-31
Connection for indication and adjustment of the characteristic frequency of the active filters
IL51547A
(en )
1978-10-31
Methods for the frequency adjustment of electromechanical filters
JPS5384593A
(en )
1978-07-26
System for regulating intrinsic frequency of piezooelectric resonator
JPS5290976A
(en )
1977-07-30
Frequency adjusting device
CS185711B1
(en )
1978-10-31
Method of adjustment of the characteristic frequency of the active filter and connection for execution thereof
JPS5297953A
(en )
1977-08-17
Tetrahydronaphthaline triol derivatives and preparation thereof
AU2660377A
(en )
1979-01-04
Active filter
JPS52113927A
(en )
1977-09-24
Herbicidally active compound and preparation thereof
JPS5375574A
(en )
1978-07-05
Air filter of takeeup type
CS185105B1
(en )
1978-09-15
Connection of the frequency filter
PT67295B
(en )
1979-04-20
Process for preparation of o-aryl-n-phosphonome-thylglycinonitriles and the herbicidal use thereof