001 |
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13383 |
100 |
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|a19980409d1997 k a0engb50 b
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101 |
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102 |
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200 |
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|aMechanical classes|h1977-December 1996|fU.S. Patent and Trademark Office
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210 |
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|aWashington, D.C|cU.S. Patent and Trademark Office|d1997
|
215 |
1
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|a1v|d22×28cm
|
225 |
12
|
|aA technology assessment and forecast report
|
680 |
|
|aT175.7|bM42
|
712 |
02
|
|aUnited States Department of Commerce, Patent and Trademark Office
|
801 |
0
|
|atw|b台經院|c19980409|gAACR2
|
801 |
1
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|atw|b台經院|c19980409|gAACR2
|