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| 008 | 240530s9999 xx 000 0 und d | ||
| 082 | _a621.381 | ||
| 082 | _bJAI | ||
| 100 | _aJAIN G C | ||
| 245 | 0 | _aPRACTICAL VALVE EQUIVALENTS & DATA | |
| 250 | _n0 | ||
| 250 | _n1977 | ||
| 260 | _bBUSINESS PROMOTION | ||
| 365 | _b6 | ||
| 650 | _aELECTRONICS | ||
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| 950 | _CELECTRONICS | ||
| 999 |
_c190720 _d190720 |
||