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FI7342A
(en)
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Improvements to the wagon retort for tar kilns
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FR23741E
(en)
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Improvements to lock nuts
|
|
FR494965A
(en)
|
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Improvements to ovens
|
|
FI7226A
(en)
|
|
Coke
|
|
FR524182A
(en)
|
|
Improvements to dryers
|
|
FR512269A
(en)
|
|
Improvements to the wheels
|
|
FR528196A
(en)
|
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Improvements to cinematographs
|
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FR531727A
(en)
|
|
Improvements to incubators
|
|
FI7308A
(en)
|
|
Tar separator
|
|
FR497902A
(en)
|
|
Improvements to badgers
|
|
FR518697A
(en)
|
|
Improvements to loading bins
|
|
ES70949A1
(en)
|
|
Carbonization furnace.
|
|
DK27781C
(en)
|
|
Devices for Vertical Retorts.
|
|
DK31494C
(en)
|
|
Vertical retort oven.
|
|
FR507833A
(en)
|
|
Advanced lighter
|
|
FR496162A
(en)
|
|
Advanced lighter
|
|
FR21289E
(en)
|
|
Advanced lighter
|
|
FR504979A
(en)
|
|
Improvements to wheelbarrows
|
|
FR505210A
(en)
|
|
Improvements to lightning wagons
|
|
FR503275A
(en)
|
|
Lighter
|
|
FR507535A
(en)
|
|
Lighter
|
|
FR504033A
(en)
|
|
Lighter
|
|
CH81816A
(en)
|
|
Lighter
|
|
FR23583E
(en)
|
|
Improvements to casseroles
|
|
FR23924E
(en)
|
|
Improvements to casseroles
|