Cells and batteries; primary

850610 Cells and batteries; primary, manganese dioxide 850630 Cells and batteries; primary, mercuric oxide 850640 Cells and batteries; primary, silver oxide 850650 Cells and batteries; primary, lithium 850660 Cells and batteries; primary, air-zinc 850680 Cells and batteries; primary, (other than manganese dioxide, mercuric oxide, silver oxide, lithium or air-zinc) 850690 Cells and batteries; primary, parts thereof