CA535518A
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1957-01-08
Method and apparatus for splicing
CA548246A
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1957-11-05
Method and apparatus for separating solutions
CA506108A
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1954-09-28
Separating method and apparatus
AU216508B2
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1957-10-03
Method and apparatus for making photo contour maps
AU2664357A
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1957-10-03
Method and apparatus for making photo contour maps
CA542964A
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1957-07-02
Means and method for producing optical elements
CA555813A
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1958-04-15
Methods and apparatus for making photo contour map
AU207992B2
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1956-03-22
Method and apparatus for making photo contour maps
AU1236055A
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1956-03-22
Method and apparatus for making photo contour maps
CA544327A
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1957-07-30
Method and apparatus for making cartons
CA547135A
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1957-10-08
Contact lenses and method and apparatus for making same
AU212166B2
(en )
1957-07-25
Lead making apparatus and method
CA548089A
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1957-10-29
Method and apparatus for making shoes
AU217598B2
(en )
1957-08-08
2-hydroxy-benzoquinolizines and method for preparing same
CA535445A
(en )
1957-01-08
Method and apparatus for making flat fabric
CA539795A
(en )
1957-04-23
Method and apparatus for producing an oil well
CA539796A
(en )
1957-04-23
Method and apparatus for producing an oil well
CA549937A
(en )
1957-12-10
Method and apparatus for forming tires
CA550873A
(en )
1957-12-31
Method and apparatus for producing films
CA548018A
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1957-10-29
Method and apparatus for dehydration
CA553854A
(en )
1958-03-04
Method and apparatus for making diaphragms
AU216969B2
(en )
Improvements relating to photographic methods and apparatus
CA542533A
(en )
1957-06-18
Method and apparatus for making shingled strips
CA550976A
(en )
1957-12-31
Method and apparatus for cutting cores
CA540488A
(en )
1957-05-07
Method and apparatus for producing plaster