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US3465445A
(en)
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Drawing and design apparatus or instrument
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US1154673A
(en)
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Drafting implement.
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US6936244B2
(en)
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Use of bacterial phage associated lysing enzymes for treating streptococcal infections of the upper respiratory tract
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US2624117A
(en)
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Device for drawing circles
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US6406692B1
(en)
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Composition for treatment of an ocular bacterial infection
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US6423299B1
(en)
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Composition for treatment of a bacterial infection of an upper respiratory tract
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US4530156A
(en)
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Infinite radius circle drawing instrument
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US5384964A
(en)
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Rotary circle template
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US9021711B2
(en)
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Mechanical drawing board
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US1878633A
(en)
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Device for making designs
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US5390418A
(en)
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Tool for drawing circumferences
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US9469012B1
(en)
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Spherical lapping machine
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US2509164A
(en)
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Drafting device
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US4309825A
(en)
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Stencil
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US4275502A
(en)
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Drafting device for producing concentric lines
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US3857187A
(en)
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Mechanical motion device
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US4335515A
(en)
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Drafting device for producing concentric lines
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US5709033A
(en)
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Drawing device
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FR1008714A
(fr)
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Instrument universel pour le dessin
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DD29176A
(zh)
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