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1993-08-11
Method for producing glass preform for optical fiber
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1989-09-14
Method for producing glass preform for optical fiber
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1990-06-06
Method for producing glass preform for optical fiber
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1988-10-12
Method for producing glass preform for optical fiber
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1988-11-30
Method for producing glass preform for optical fiber
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1990-07-11
Method for producing glass preform for optical fiber
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1987-09-02
Method for producing glass preform for optical fiber
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1993-04-28
Method for producing glass preform for optical fiber
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1994-09-29
Method for producing glass preform for optical fiber
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1988-11-03
Method for producing glass preform for optical fiber
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1994-09-30
Method for making optical fibers comprising fluorine-doped glass
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1989-01-05
Method for producing glass preform for optical fiber
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1988-11-30
Method for producing glass preform for optical fiber
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1987-09-09
Method for producing glass preform for optical fiber
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1990-08-22
Method for producing glass preform for optical fiber
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1991-12-11
Method for producing glass preform for single mode optical fiber
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1989-11-30
Method for producing glass preform for optical fibers
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1989-01-05
Method for producing glass preform for optical fiber
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1992-12-09
Method for connecting optical fibers
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1993-07-15
Method for producing preform for polarization retaining optical fiber
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1989-11-29
Method for making optical fibers
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1988-07-28
Method for producing glass preform for optical fiber
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1992-07-01
A method for manufacturing a glass fiber
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1994-11-25
Method for making optical fibers comprising fluorine-doped glass
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1994-06-02
Method for producing glass preform for optical fiber